The British Postal Museum & Archive - Visitor information, details of collections and exhibitions, online catalogue, and educational resources. Located in Camden.
Post Office - Full details of the services available, including banking, foreign exchange, licences of all kinds and passports. Local post-office finder.
Postwatch - Independent watchdog for postal services in the United Kingdom, providing advice to Government and working with customers to promote a better postal service.
Royal Mail - Corporate information, online sales of stamps and envelopes, tools including post-code finder and postal rates calculator. Also advice on direct marketing and stamp collecting.
Royal Mail Group - Umbrella group for Royal Mail, Post Office and Parcel Force. Includes 'about us' section, with details of community initiatives and recruitment.
Royal Mail Technical - Gives various forms of technical assistance to users of Mailsort, Presstream and Walksort.
UK Package Postal Calculator - Search and view current postage rates for Royal Mail services. Returns various services on one page, aimed at users of online auction sites.